Overview

overview

10

Static

static

10

0972bb0ba1...0d.exe

windows7-x64

10

0972bb0ba1...0d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    24e7acb706dffb37b3e682424719f5ab.bin

  • Size

    1.2MB

  • Sample

    240422-bhh3tsdd44

  • MD5

    881ec1737c2e73fdaf6eccf181e8be7b

  • SHA1

    cc1a2d5bfaba9859a350f7dbe6849763468ff579

  • SHA256

    285e04c2bb8bd46ab0ba229bb888f386c8fba38be6ab038e8f80929ff207206a

  • SHA512

    eb289fc238d2539cbd11bb511a1a1e51b0c3d24160dd4c1ecdf84976a62aa16341cb4b28ce8709f439ed2db49fec24a8c7fe4ca43a128f2f035aac6098cead0e

  • SSDEEP

    24576:XVDZ13c69hQJHFsPbwToAJB0P9sHujykKnv/muRz/fMa9RN8idM2ZS9:FlJ9hAHFYsr0P9WGyk6vxffIfYS9

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

Kneegrowless-33547.portmap.host:33547

Mutex

10674f25-f575-4b14-92cf-06a7073df875

Attributes
  • encryption_key

    E5427EE2BE27EB8DFAE76384CABC8A5EBB33EB00

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      0972bb0ba1caff7adc92bb35f645b5e0d825fa74fb1b76ff822dce8c200ab30d.exe

    • Size

      3.1MB

    • MD5

      24e7acb706dffb37b3e682424719f5ab

    • SHA1

      5d4864f3acb3076ee4005990114a4a1f2520d456

    • SHA256

      0972bb0ba1caff7adc92bb35f645b5e0d825fa74fb1b76ff822dce8c200ab30d

    • SHA512

      3d4b62d8a2c725f288277a0021c5dc46600e71b20fcdc660fdb00e0d37ff0a0114b7571d331fd85f989da74ef2dbf57add61b90085ff94cf53f5d07fea215c50

    • SSDEEP

      49152:HvilL26AaNeWgPhlmVqvMQ7XSKE6kjn+DixoGgBoTHHB72eh2NT:HvaL26AaNeWgPhlmVqkQ7XSKExn+DS

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks